称为一般需求函数（General Demand Function），根据定义一般需 Function），根据定义一般需 求函数是多元函数，其形式为：Q 求函数是多元函数，其形式为：Q＝Q（P，M，Pc， T...
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On the basis of the analysis of function demand and system data, a general structure of the information system was designed. And the types and hierarchy structure of system data models were studied.
在系统功能需求和数据需求分析的基础上，进行了系统总体结构设计，并研究了系统数据模型类型，提出了系统数据模型的分层结构。
This paper described the function and basic demand of koji making materials, characteristic and requirement of usage of general materials and so on.
该文叙述了制曲原料的基本要求、作用，常用制曲原料的特性等。
The demand differences are showed on individual functions, and function in general as well.
这种影响既体现在对个别职能需求的差异，也体现在对总体职能需求的差异。
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